Product Features: Working environment temperature : -20 +50C Starting environment temperature :0 +50C Waterproof degree: IPX3 Waterproof Continual illuminate time ≥ high 70mins/Low 90 mins Brightness :1000LM Bulb life-span ≈3000hrs Irradiation distance ≤1000m Color temperature: 6000K (Option:4200K 5000K 8000K 10000K) Optical efficiency: 70LM/W Material :ALU Electricity parameters: Ballast input voltage :9 16V Working voltage :11.1V Working current: 3.2A Starting max current: 8A Power output high :20W Output temporary max voltage: 23KV Battery mode: ICR14650X3S2P(2200mAh) Battery charge voltage :12.6V ± 0.1V Battery lifespan:≥500 times (charge and discharge times)